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CVE Reference: CVE-2009-4141

NOTE: The text on this page is written by CVE MITRE and reflects neither the opinions of Secunia or the results of our research. All data on this page is written and maintained by CVE MITRE.

Original Page at CVE MITRE:
CVE-2009-4141

Description:
Use-after-free vulnerability in the fasync_helper function in fs/fcntl.c in the Linux kernel before 2.6.33-rc4-git1 allows local users to gain privileges via vectors that include enabling O_ASYNC (aka FASYNC or FIOASYNC) on a locked file, and then closing this file.

CVE Status:
Candidate

References:

SUSE
  http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00002.html

SAID
  Secunia Advisory: SA38199
  Secunia Advisory: SA39033

REDHAT
  http://www.redhat.com/support/errata/RHSA-2010-0161.html

OVAL
  http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:7054
  http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:9201

MISC
  http://twitter.com/taviso/statuses/7744108017
  http://lock.cmpxchg8b.com/5ebe2294ecd0e0f08eab7690d2a6ee69/create_elf_tables.c

FULLDISC
  http://archives.neohapsis.com/archives/fulldisclosure/2010-01/0252.html

CONFIRM
  http://support.avaya.com/css/P8/documents/100073666
  http://www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.33-rc4-git1.bz2
  http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=53281b6d34d44308372d16acb7fb5327609f68b6

BID
  37806


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